Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

Sagittarius clearly isn't your average archer -- for one, he's half a man and half a horse!

Find a definition of what "natural resources" are, and complete the natural resources word search. It's a good vocabulary warm-up!

Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!

Not your typical crossword, this puzzle will have your child learning to recognize the shapes of the continents. Great for map skills and vocabulary!

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

Children get to know a few geology terms in this landform word search puzzle.

Help your child learn weather words with this climate-themed word search.

What's the weather like today? Here's a word search perfect for any budding meteorologist.

If your child is fascinated by outer space, he'll love this solar system word search! While reviewing planet names, he'll ponder the mysteries of the universe.

What a wonderful world word search! See if you can find all 10 of the Earth-related terms in the word search.

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

If you know what each planet looks like, you'll have no trouble with this intergalactic crossword puzzle.

Do you know what the Aquarius constellation looks like in the night sky? Complete this dot-to-dot worksheet to find out!